in book

in one's book

Fig. according to one's own opinion. He's okay in my book. In my book, this is the best that money can buy.

In one's opinion: In my book they both are wrong.

Name	Pronounced	Usage
Arduino	ahr-DWEE-no	Italian
Hovhannes	-	Armenian
King	[kiŋ]
Gjurd	-	Norwegian (Rare)
Ceara	-	English (Rare)
Noriko	no-ṙee-ko	Japanese